Grinding and polishing clamp

Abstract

The utility model belongs to the field of clamp devices, and particularly relates to a grinding and polishing clamp. Comprising a clamp body, a first pin header and a second pin header are arranged on the clamp body in an array penetrating mode, the second pin header is inclined relative to the first pin header, and a driving assembly is arranged in the clamp body and can drive the first pin header and the second pin header to rotate; and double rows of pin headers are arranged, so that the rhinestone production efficiency can be remarkably improved.

Description

Technical Field

[0001] The utility model belongs to the field of fixture devices, in particular to a grinding and polishing fixture. Background Art

[0002] The end of the needle array on the crystal grinding and polishing fixture is glued to the crystal embryo and polished on the grinding and polishing machine. The needle array can drive the crystal embryo to rotate and cooperate with the grinding and polishing machine to grind and polish to obtain the crystal cutting surface. The existing crystal grinding and polishing fixture is often a single array needle array structure. For example, the Chinese patent with publication number CN218194576U discloses a crystal grinding and polishing fixture, and the production efficiency of rhinestones (crystals) needs to be further improved. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems and provides a grinding and polishing fixture, which is provided with double-row needles and can significantly improve the production efficiency of water drills.

[0004] In view of this, the utility model provides a grinding and polishing fixture, including a fixture body, a first row of needles and a second row of needles are arranged in an array in the fixture body, the second row of needles is arranged tilted compared to the first row of needles, and a driving component is arranged in the fixture body, which can drive the first row of needles and the second row of needles to rotate.

[0005] In the present technical solution, the fixture is provided with a first row of needles which is vertically arranged, and a second row of needles which is inclined relative to the first row of needles, the second row of needles being inclined to one side of the first row of needles, the two rows of needles being arranged, the driving assembly driving the first row of needles and the second row of needles to rotate, the two rows of needles sticking to the crystal embryos are polished on the polishing machine, compared with the design of a single row of needles, the production efficiency of water rhinestones can be greatly improved.

[0006] In the above technical scheme, further, the driving assembly includes a first screw rod and a second screw rod, the first screw rod and the second screw rod are respectively inserted into the first driving groove and the second driving groove, the first screw rod and the second screw rod are rotatably arranged on the side end covers at both ends of the clamp body, the end cover and the clamp body are threadedly connected, one end of the first screw rod is coaxially fixedly connected with the first gear, the first gear is meshed with the second gear, and the second gear and the second screw rod are coaxially fixedly connected.

[0007] In the above technical solution, further, the first row of needles passes through the first driving groove, and the first row of needles is provided with a transmission structure corresponding to the first lead screw, and the transmission structure is engaged with the first lead screw.

[0008] In the above technical solution, further, the transmission structure is a threaded structure arranged on the surface of the first row of needles.

[0009] In the present technical scheme, the first drive groove and the second drive groove penetrate the fixture body along the length direction of the fixture body. Any screw rod is connected to an external drive device. When rotating, it can drive the other screw rod to rotate synchronously through the meshing first gear and second gear. The first gear and the second gear are both bevel gears. The threaded structure on the surface of the screw rod and the pin row is meshed to drive the pin row to rotate, which is convenient for synchronously controlling the synchronous rotation of the double-row pin row, and meets the rotation requirement of the crystal embryo at the needle head during grinding and polishing.

[0010] In the above technical solution, further, one end of the first row of needles away from the needle heads is clamped on a card, the card is embedded in the lower end cover, and the lower end cover and the clamp body are threadedly connected.

[0011] In the above technical solution, further, a first card slot is provided on the abutting side of the lower end cover and the clamp body, the first card slot is used to accommodate a card, and an avoidance slot is provided at the bottom of the first card slot.

[0012] In this technical solution, after assembly, the card slot and the fixture body are abutted against each other to limit the position, and the avoidance groove is set to prevent the end of the pin header away from the needle head from rubbing against the lower end cover, thereby affecting the drive assembly to drive the pin header to rotate.

[0013] In the above technical solution, further, the structure of the second row of needles is consistent with the first row of needles, the second row of needles passes through the second driving groove, the second row of needles is connected to the second screw rod in the driving groove, the lower end cover is provided with a second card slot corresponding to the needle row, a card is provided in the second card slot, and an avoidance slot is provided at the bottom of the second card slot.

[0014] In the above technical solution, further, the card is a plate structure, and an array of accommodating slots is arranged on the card.

[0015] In the above technical solution, further, the accommodating slot includes a notch on one side of the card, the notch is connected to a third card slot, the third card slot is used to accommodate a recessed portion of the pin header, and the width of the notch is greater than the width of the third card slot.

[0016] In this technical solution, the card is provided with a notch and a third card slot. The width of the notch is greater than the width of the third card slot, which facilitates the pin header to be inserted into the third card slot in the card. The recessed portion of the pin header matches the third card slot to ensure that the pin header is firmly fixed and prevented from falling out of the fixture body.

[0017] In the above technical solution, further, the first row of needles is vertically arranged, the second row of needles is inclined toward the first row of needles, and the angle between the first row of needles and the second row of needles is 5-40 degrees.

[0018] The beneficial effects of the utility model are:

[0019] 1. The fixture is provided with a first row of needles arranged vertically, and a second row of needles arranged obliquely to the first row of needles, the second row of needles is inclined to one side of the first row of needles, the two rows of needles are arranged, the driving component drives the first row of needles and the second row of needles to rotate, the two rows of needles are attached to the crystal embryos and polished on the polishing machine, compared with the design of a single row of needles, it can greatly improve the production efficiency of water rhinestones;

[0020] 2. The first drive groove and the second drive groove penetrate the fixture body along the length direction of the fixture body. Any lead screw is connected to an external drive device. When rotating, it can drive the other lead screw to rotate synchronously through the meshing first gear and second gear. The first gear and the second gear are both helical gears. The threaded structure on the lead screw and the surface of the pin row is meshed to drive the pin row to rotate, which is convenient for synchronously controlling the synchronous rotation of the double-row pin row, and meets the rotation requirement of the crystal embryo at the needle head during grinding and polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0023] Figure 3 It is a cross-sectional view of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the pin header and card;

[0025] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0026] Figure 6 yes Figure 3 A partial enlarged view of point C in the middle.

[0027] The symbols in the figure are:

[0028] 1. Clamp body; 2. First row of needles; 3. Second row of needles; 4. First screw rod; 5. Second screw rod; 7. First drive slot; 8. Second drive slot; 9. Side end cover; 10. First gear; 11. Second gear; 12. Transmission structure; 13. Card; 14. Needle; 15. First card slot; 16. Avoidance slot; 17. Second card slot; 18. Accommodation slot; 19. Notch; 20. Third card slot; 21. Recessed portion. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0030] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0032] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0033] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0034] First embodiment:

[0035] like Figure 1-6 As shown, this embodiment provides a grinding and polishing fixture, including a fixture body, a first row of needles and a second row of needles are arranged in an array in the fixture body, the second row of needles is arranged obliquely compared with the first row of needles, and a driving component is arranged in the fixture body, and the driving component can drive the first row of needles and the second row of needles to rotate. This fixture is provided with a first row of needles arranged vertically, and a second row of needles arranged obliquely compared with the first row of needles, the second row of needles is inclined to one side of the first row of needles, and two rows of needles are arranged, and the driving component drives the first row of needles and the second row of needles to rotate. The two rows of needles are attached to the crystal embryo and polished on the grinding and polishing machine. Compared with the design of a single row of needles, the production efficiency of water diamonds can be greatly improved.

[0036] like Figure 1-3 As shown, the drive assembly includes a first screw rod and a second screw rod, which are respectively inserted into the first drive groove and the second drive groove, and the first screw rod and the second screw rod are rotatably arranged on the side end covers at both ends of the clamp body, and the end cover and the clamp body are threadedly connected, and one end of the first screw rod is coaxially fixedly connected with the first gear, the first gear is meshed with the second gear, and the second gear and the second screw rod are coaxially fixedly connected.

[0037] like Figure 3-6As shown, the first row of needles passes through the first driving groove, and the first row of needles is provided with a transmission structure corresponding to the first screw rod, and the transmission structure is meshed with the first screw rod. The transmission structure is a threaded structure arranged on the surface of the first row of needles. The first driving groove and the second driving groove penetrate the fixture body along the length direction of the fixture body. Any screw rod is connected to the external driving device, and when rotating, it can drive the other screw rod to rotate synchronously through the meshing first gear and the second gear. The first gear and the second gear are both helical gears. The threaded structure on the surface of the screw rod and the row of needles is meshed to drive the row of needles to rotate, which is convenient for synchronous control of the synchronous rotation of the double-row row of needles, and meets the rotation requirements of the crystal embryo at the needle head during grinding and polishing.

[0038] like Figure 4 and Figure 5 As shown, the end of the first row of needles away from the needle is clamped on the card, the card is embedded in the lower end cover, and the lower end cover is threadedly connected to the clamp body. The lower end cover and the clamp body are abutted against each other with a first card slot, which is used to accommodate the card, and a avoidance slot is provided at the bottom of the first card slot. After assembly, the card slot where the card is located and the clamp body are abutted against each other, and the setting of the avoidance slot prevents the end of the row of needles away from the needle from rubbing against the lower end cover, thereby affecting the drive assembly to drive the row of needles to rotate.

[0039] The structure of the second row of needles is consistent with that of the first row of needles. The second row of needles passes through the second driving groove. The second row of needles is connected to the second screw in the core of the driving groove. The lower end cover is provided with a second card slot corresponding to the row of needles. A card is provided in the second card slot, and an avoidance slot is provided at the bottom of the second card slot. The card is a plate structure, and an array of accommodating slots is provided on the card. The accommodating slot includes a notch on one side of the card, and a third card slot is connected in the notch. The third card slot is used to accommodate the recessed part of the row of needles, and the width of the notch is greater than the width of the third card slot. The card is provided with a notch and a third card slot, and the width of the notch is greater than the width of the third card slot, so that the row of needles can be conveniently clamped in the third card slot in the card. The recessed part of the row of needles matches the third card slot, ensuring that the row of needles is firmly fixed and prevented from falling out of the fixture body.

[0040] The first row of needles is vertically arranged, and the second row of needles is inclined toward the first row of needles, and the angle between the first row of needles and the second row of needles is 5-40 degrees.

[0041] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A grinding and polishing fixture, characterized in that: The clamp body comprises a clamp body array having a first row of needles and a second row of needles, the second row of needles being arranged tilted relative to the first row of needles, and a driving assembly being arranged in the clamp body, which can drive the first row of needles and the second row of needles to rotate.

2. A grinding and polishing fixture according to claim 1, characterized in that: The drive assembly includes a first screw rod and a second screw rod, which are respectively inserted into the first drive groove and the second drive groove, and the first screw rod and the second screw rod are rotatably arranged on the side end covers at both ends of the clamp body, and the end cover and the clamp body are threadedly connected. One end of the first screw rod is coaxially fixedly connected with the first gear, the first gear is meshed with the second gear, and the second gear and the second screw rod are coaxially fixedly connected.

3. A grinding and polishing fixture according to claim 2, characterized in that: The first row of needles passes through the first driving slot, and the first row of needles is provided with a transmission structure corresponding to the first lead screw, and the transmission structure is meshed with the first lead screw.

4. A grinding and polishing fixture according to claim 3, characterized in that: The transmission structure is a threaded structure arranged on the surface of the first row of needles.

5. A grinding and polishing fixture according to claim 1, characterized in that: One end of the first row of needles away from the needle heads is clamped on a card, the card is embedded in the lower end cover, and the lower end cover is threadedly connected to the clamp body.

6. A grinding and polishing fixture according to claim 5, characterized in that: The lower end cover and the clamp body are provided with a first card slot on the abutting side, the first card slot is used to accommodate a card, and an avoidance slot is provided at the bottom of the first card slot.

7. A grinding and polishing fixture according to any one of claims 1 to 5, characterized in that: The second row of needles has the same structure as the first row of needles. The second row of needles passes through the second driving slot. The second row of needles is connected to the second screw rod in the driving slot. The lower end cover is provided with a second card slot corresponding to the needle row. A card is provided in the second card slot. An avoidance slot is provided at the bottom of the second card slot.

8. A grinding and polishing fixture according to claim 5, characterized in that: The card is a plate structure, and an array of receiving slots is arranged on the card.

9. A grinding and polishing fixture according to claim 8, characterized in that: The receiving slot includes a notch on one side of the card, the notch is connected with a third card slot, the third card slot is used to receive the recessed portion of the pin header, and the width of the notch is greater than the width of the third card slot.

10. The grinding and polishing fixture according to claim 1, characterized in that: The first row of needles is vertically arranged, and the second row of needles is inclined toward the first row of needles, and the angle between the first row of needles and the second row of needles is 5-40 degrees.

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